Submission #673750

#	Time	Username	Problem	Language	Result	Execution time	Memory
673750		mmk	Jelly Flavours (IOI20_jelly)	C++17	Compilation error	0 ms	0 KiB

jelly

#include <bits/stdc++.h>
#include "jelly.h"
#define fr first
#define sc second
using namespace std;
const int INF = 0x3f3f3f3f;
const int MAXN = 2e3+10;
const int MAXX = 1e4+10;
struct jelly
{
	int a,b;
};
jelly val[MAXN];
bool cmp(jelly a, jelly b)
{
	return a.a < b.a;
}
pair<int,int> dp[MAXN][MAXX];
int find_maximum_unique(int x, int y, vector<int> a, vector<int> b)
{
	int n = a.size();
	for(int i = 1; i <= n; i++)
	{
		val[i].a = a[i];
		val[i].b = b[i];
 	}
 	sort(val+1,val+(n+1),cmp);
	dp[0][0] = {0,x};
	for(int i = 1; i <= y; i++)
		dp[0][i] = {-1,-1};
	int resp = 0;
	for(int i = 1; i <= n; i++)
	{
		for(int j = 0; j <= y; j++)
		{
			dp[i][j] = dp[i-1][j];
			if(dp[i][j].sc >= val[i].a)
			{
				dp[i][j].fr++;
				dp[i][j].sc -= val[i].a;
			}
			
			if(j >= val[i].b)
			{
				pair<int,int> aux = dp[i][j-val[i].b];
				if(aux.fr > dp[i][j].fr || (aux.fr == dp[i][j].fr && aux.sc > dp[i][j].sc)
					dp[i][j] = aux;
			}
			resp = max(resp,dp[i][j].fr);
		}
	}
	return resp;
}

Compilation message (stderr)

jelly.cpp: In function 'int find_maximum_unique(int, int, std::vector<int>, std::vector<int>)':
jelly.cpp:46:79: error: expected ';' before 'dp'
   46 |     if(aux.fr > dp[i][j].fr || (aux.fr == dp[i][j].fr && aux.sc > dp[i][j].sc)
      |                                                                               ^
      |                                                                               ;
   47 |      dp[i][j] = aux;
      |      ~~                                                                        
jelly.cpp:46:29: warning: statement has no effect [-Wunused-value]
   46 |     if(aux.fr > dp[i][j].fr || (aux.fr == dp[i][j].fr && aux.sc > dp[i][j].sc)
      |        ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
jelly.cpp:48:4: error: expected primary-expression before '}' token
   48 |    }
      |    ^
jelly.cpp:47:21: error: expected ')' before '}' token
   47 |      dp[i][j] = aux;
      |                     ^
      |                     )
   48 |    }
      |    ~                 
jelly.cpp:46:7: note: to match this '('
   46 |     if(aux.fr > dp[i][j].fr || (aux.fr == dp[i][j].fr && aux.sc > dp[i][j].sc)
      |       ^
jelly.cpp:48:4: error: expected primary-expression before '}' token
   48 |    }
      |    ^